A Lightning Bug
This page is the CodyCross answer for the clue below from Life on Wheels, Group 1787, Puzzle 1 (Delivery Driver).
Question
A Lightning Bug
Answer
FIREFLY
Word Meaning:
FIREFLY — (Northern US, Western US, Florida) Any beetle of the family Lampyridae, which exhibit bioluminescence during twilight.
Definitions from Wiktionary.